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Contract OI history

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Mar 19, 2027 EXPIRATION

SONY $22.50 Put

SONY270319P00022500

Latest saved OI278Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SONY $22.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2781390 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-06: 70 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 71 OI2026-10-13: 193 OI2026-10-14: 193 OI2026-10-15: 194 OI2026-10-21: 277 OI2026-10-23: 278 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SONY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing278+1
Oct 21, 2026277+83
Oct 15, 2026194+1
Oct 14, 20261930
Oct 13, 2026193+122
Oct 09, 2026710
Oct 08, 2026710
Oct 07, 202671+1
Oct 06, 2026700
Oct 05, 2026700
Oct 02, 202670No prior observation